import java.util.Scanner;
import javax.swing.*;
public class Judge
{
	public static void main(String args[])
	{
		Scanner scanner=new Scanner(System.in);
		System.out.println("输入第一个整形数：");
		int a=scanner.nextInt();
		if(a%2==0)
			System.out.println("even");
		else
			System.out.println("odd");
	}
}